When John finds out Sherlock is ill, he has to make sure. Really, absolutely sure. And for a while, it's okay, because medicine has advanced to the point where Sherlock isn't going to die any time soon. But when Sherlock takes a sharp downward turn, he asks John to do one last thing for him. FEELS ABOUND. Not using warnings because spoilers, but there are some. 32 chapters.
Rated: T - English - Hurt/Comfort/Friendship - Chapters: 32 - Words: 20,298 - Reviews: 182 - Favs: 114 - Follows: 107 - Updated: 1/7/2014 - Published: 11/5/2013 - Sherlock H., John W. - Complete